What powers 
semler.dk?
Last seen Oct 2026 · 23 technologies across 16 categories
Analytics
Google Analytics
since Jan 2019
CDN
Cloudflare
since Apr 2021
Cookie compliance
Cookie Information
since Jan 2022
CRM
Salesforce
since Oct 2023
Documentation
Zendesk
since Aug 2022
JavaScript libraries
Lightbox
since Jan 2023
Miscellaneous
PaaS
Azure
since Aug 2022
Programming languages
Java
since Jan 2023
Reverse proxies
Envoy
since May 2025
Security
Cloudflare Bot Management
since Nov 2024
HSTS
since Jan 2023
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web frameworks
Microsoft ASP.NET
since Sep 2021
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Microsoft 365
since Mar 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 applebot removed from robots.txt
- Aug 2026 robots.txt removed
- Aug 2026 applebot added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 63% desktop
- 37% phone
Denmark
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #330,652 of all domains
64 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 4.1 MB · 17 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Semler Gruppen
- Founded: 1917
- Sector: import, wholesale
- Country: Denmark
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.19.191.28)
- DNS: Azure DNS
- Email: Microsoft 365
- Email security: no SPF record, DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 11,492,988, 8 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| jobs.semler.dk | 12 |
| semler.dk | 12 |
| www.semler.dk | 12 |
| serviceabonnement.semler.dk | 10 |